Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
March 10, 2023
Submitted
March 21, 2023
Operation
Air carrier
Aircraft
N235WN
Make and model
Boeing 7377H4
Aircraft serial
34630
Aircraft time
56,415 hours, 33,967 cycles
Part
Attach Angle
Condition
Cracked
Location
Zn 100 Fus Lower
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CRACK FOUND ON UPPER ATTACH ANGLE (WL 167) AT STA 663; RBL 40<[01] VERIFIED FORMING OF REPAIR ANGLES<BR> -1 REPLACEMENT ANGLE FORMENED ON N/R #44597-6000-0002; AND 0003<BR>SPLICE ANGLE ON N/R 44597-6000-0001 I.A.W SRM 75-10-10-2R-5;[02] VERIFIED STEP 1;[03] VERIFIED ITEM 1 OF STEP 6;[04] VERIFIED ITEM 6 OF STEP 3;[05] OK TO CIC 663 WEB; FWD AND AFT SIDE;[06] APPLIED CIC TO 663 WEB AND FASTENERS FWD AND AFT I/A/W SRM 57-10-10-2R-5;[07] VERIFIED STEP 6;[08] AUDIT C/W

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